By Harper V. L.   in Journal of Forestry

ISSN:0022-1201|29|2|225-232

Society of American Foresters‎(1931)‎

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By Harper V. L.   in Journal of Forestry

ISSN:0022-1201|63|10|752-754

Society of American Foresters‎(1965)‎

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By Harper V. L.   in Journal of Forestry

ISSN:0022-1201|71|4|203-205

Society of American Foresters‎(1973)‎

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By Harper V. L.   in Journal of Forestry

ISSN:0022-1201|53|2|106-111

Society of American Foresters‎(1955)‎

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By Harper V. L.   Liefeld T. A.   in Journal of Forestry

ISSN:0022-1201|36|11|1128-1130

Society of American Foresters‎(1938)‎

Access to resources Favorite 2.9505708

By Osborne J. G.   Harper V. L.   in Journal of Forestry

ISSN:0022-1201|35|1|63-68

Society of American Foresters‎(1937)‎

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By Harper V. L.   Callaham R. Z.   in Journal of Forestry

ISSN:0022-1201|71|5|294-294

Society of American Foresters‎(1973)‎

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